The spout on my teapot blew off in the bisque firing. Any idea why?

New to teapot making. The spout to my teapot blew off at bisque firing. Did I not score it enough?
Thanks

I'm sorry to hear about your teapot. Teapots are challenging and I find myself becoming a bit attached to them because of the amount of work and care that goes into creating them.

Here are a few possible reasons why the teapot spout blew off in the bisque:

1) Your pot or spout may not have been completely dry when it went into the kiln. This happens if any part of the pot is too thick, or if you don't let it dry completely... I usually let them dry slowly, partly covered for a week and then completely uncovered for at LEAST an additional week or more to be sure.

2) You may have trapped an air bubble in the clay either during wedging, throwing, or attaching the spout. As far as not scoring it enough, that wouldn't cause it to blow off. It might cause it to fall off if it wasn't attached securely, but residual moisture or air bubbles are usually what cause pots to blow apart.

There could have been an air bubble trapped in the clay while you were throwing that you didn't notice, or that you did notice. If you do notice air bubbles while throwing it is best to pop them with a needle tool and smooth them out to avoid blow ups.

I hope this helps. I'd love to see a picture of it. I could diagnose it better for sure. Let me know how things go on your next one, and props for taking on teapots in the first place, they're challenging.

Steve

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